Q: What is the sum of all factors of the number 260,020,040 including 260,020,040?

A: 668,623,680

Why is 668,623,680 the sum of all factors of 260,020,040, including 260,020,040?

The factors of the number 260,020,040 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 928643, 1857286, 3714572, 4643215, 6500501, 7429144, 9286430, 13001002, 18572860, 26002004, 32502505, 37145720, 52004008, 65005010, 130010020, 260020040.

If you add them up, you will get the total of 668,623,680.